NuPlayer.cpp revision efbb61950db36a5eb789be83f077246172507c67
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "NuPlayer" 19#include <utils/Log.h> 20 21#include "NuPlayer.h" 22 23#include "HTTPLiveSource.h" 24#include "NuPlayerCCDecoder.h" 25#include "NuPlayerDecoder.h" 26#include "NuPlayerDecoderBase.h" 27#include "NuPlayerDecoderPassThrough.h" 28#include "NuPlayerDriver.h" 29#include "NuPlayerRenderer.h" 30#include "NuPlayerSource.h" 31#include "RTSPSource.h" 32#include "StreamingSource.h" 33#include "GenericSource.h" 34#include "TextDescriptions.h" 35 36#include "ATSParser.h" 37 38#include <cutils/properties.h> 39 40#include <media/stagefright/foundation/hexdump.h> 41#include <media/stagefright/foundation/ABuffer.h> 42#include <media/stagefright/foundation/ADebug.h> 43#include <media/stagefright/foundation/AMessage.h> 44#include <media/stagefright/MediaBuffer.h> 45#include <media/stagefright/MediaDefs.h> 46#include <media/stagefright/MediaErrors.h> 47#include <media/stagefright/MetaData.h> 48#include <gui/IGraphicBufferProducer.h> 49 50#include "avc_utils.h" 51 52#include "ESDS.h" 53#include <media/stagefright/Utils.h> 54 55namespace android { 56 57struct NuPlayer::Action : public RefBase { 58 Action() {} 59 60 virtual void execute(NuPlayer *player) = 0; 61 62private: 63 DISALLOW_EVIL_CONSTRUCTORS(Action); 64}; 65 66struct NuPlayer::SeekAction : public Action { 67 SeekAction(int64_t seekTimeUs, bool needNotify) 68 : mSeekTimeUs(seekTimeUs), 69 mNeedNotify(needNotify) { 70 } 71 72 virtual void execute(NuPlayer *player) { 73 player->performSeek(mSeekTimeUs, mNeedNotify); 74 } 75 76private: 77 int64_t mSeekTimeUs; 78 bool mNeedNotify; 79 80 DISALLOW_EVIL_CONSTRUCTORS(SeekAction); 81}; 82 83struct NuPlayer::ResumeDecoderAction : public Action { 84 ResumeDecoderAction(bool needNotify) 85 : mNeedNotify(needNotify) { 86 } 87 88 virtual void execute(NuPlayer *player) { 89 player->performResumeDecoders(mNeedNotify); 90 } 91 92private: 93 bool mNeedNotify; 94 95 DISALLOW_EVIL_CONSTRUCTORS(ResumeDecoderAction); 96}; 97 98struct NuPlayer::SetSurfaceAction : public Action { 99 SetSurfaceAction(const sp<NativeWindowWrapper> &wrapper) 100 : mWrapper(wrapper) { 101 } 102 103 virtual void execute(NuPlayer *player) { 104 player->performSetSurface(mWrapper); 105 } 106 107private: 108 sp<NativeWindowWrapper> mWrapper; 109 110 DISALLOW_EVIL_CONSTRUCTORS(SetSurfaceAction); 111}; 112 113struct NuPlayer::FlushDecoderAction : public Action { 114 FlushDecoderAction(FlushCommand audio, FlushCommand video) 115 : mAudio(audio), 116 mVideo(video) { 117 } 118 119 virtual void execute(NuPlayer *player) { 120 player->performDecoderFlush(mAudio, mVideo); 121 } 122 123private: 124 FlushCommand mAudio; 125 FlushCommand mVideo; 126 127 DISALLOW_EVIL_CONSTRUCTORS(FlushDecoderAction); 128}; 129 130struct NuPlayer::PostMessageAction : public Action { 131 PostMessageAction(const sp<AMessage> &msg) 132 : mMessage(msg) { 133 } 134 135 virtual void execute(NuPlayer *) { 136 mMessage->post(); 137 } 138 139private: 140 sp<AMessage> mMessage; 141 142 DISALLOW_EVIL_CONSTRUCTORS(PostMessageAction); 143}; 144 145// Use this if there's no state necessary to save in order to execute 146// the action. 147struct NuPlayer::SimpleAction : public Action { 148 typedef void (NuPlayer::*ActionFunc)(); 149 150 SimpleAction(ActionFunc func) 151 : mFunc(func) { 152 } 153 154 virtual void execute(NuPlayer *player) { 155 (player->*mFunc)(); 156 } 157 158private: 159 ActionFunc mFunc; 160 161 DISALLOW_EVIL_CONSTRUCTORS(SimpleAction); 162}; 163 164//////////////////////////////////////////////////////////////////////////////// 165 166NuPlayer::NuPlayer() 167 : mUIDValid(false), 168 mSourceFlags(0), 169 mOffloadAudio(false), 170 mAudioDecoderGeneration(0), 171 mVideoDecoderGeneration(0), 172 mRendererGeneration(0), 173 mAudioEOS(false), 174 mVideoEOS(false), 175 mScanSourcesPending(false), 176 mScanSourcesGeneration(0), 177 mPollDurationGeneration(0), 178 mTimedTextGeneration(0), 179 mFlushingAudio(NONE), 180 mFlushingVideo(NONE), 181 mResumePending(false), 182 mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW), 183 mStarted(false), 184 mPaused(false), 185 mPausedByClient(false) { 186 clearFlushComplete(); 187} 188 189NuPlayer::~NuPlayer() { 190} 191 192void NuPlayer::setUID(uid_t uid) { 193 mUIDValid = true; 194 mUID = uid; 195} 196 197void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) { 198 mDriver = driver; 199} 200 201void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) { 202 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 203 204 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 205 206 msg->setObject("source", new StreamingSource(notify, source)); 207 msg->post(); 208} 209 210static bool IsHTTPLiveURL(const char *url) { 211 if (!strncasecmp("http://", url, 7) 212 || !strncasecmp("https://", url, 8) 213 || !strncasecmp("file://", url, 7)) { 214 size_t len = strlen(url); 215 if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) { 216 return true; 217 } 218 219 if (strstr(url,"m3u8")) { 220 return true; 221 } 222 } 223 224 return false; 225} 226 227void NuPlayer::setDataSourceAsync( 228 const sp<IMediaHTTPService> &httpService, 229 const char *url, 230 const KeyedVector<String8, String8> *headers) { 231 232 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 233 size_t len = strlen(url); 234 235 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 236 237 sp<Source> source; 238 if (IsHTTPLiveURL(url)) { 239 source = new HTTPLiveSource(notify, httpService, url, headers); 240 } else if (!strncasecmp(url, "rtsp://", 7)) { 241 source = new RTSPSource( 242 notify, httpService, url, headers, mUIDValid, mUID); 243 } else if ((!strncasecmp(url, "http://", 7) 244 || !strncasecmp(url, "https://", 8)) 245 && ((len >= 4 && !strcasecmp(".sdp", &url[len - 4])) 246 || strstr(url, ".sdp?"))) { 247 source = new RTSPSource( 248 notify, httpService, url, headers, mUIDValid, mUID, true); 249 } else { 250 sp<GenericSource> genericSource = 251 new GenericSource(notify, mUIDValid, mUID); 252 // Don't set FLAG_SECURE on mSourceFlags here for widevine. 253 // The correct flags will be updated in Source::kWhatFlagsChanged 254 // handler when GenericSource is prepared. 255 256 status_t err = genericSource->setDataSource(httpService, url, headers); 257 258 if (err == OK) { 259 source = genericSource; 260 } else { 261 ALOGE("Failed to set data source!"); 262 } 263 } 264 msg->setObject("source", source); 265 msg->post(); 266} 267 268void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) { 269 sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); 270 271 sp<AMessage> notify = new AMessage(kWhatSourceNotify, id()); 272 273 sp<GenericSource> source = 274 new GenericSource(notify, mUIDValid, mUID); 275 276 status_t err = source->setDataSource(fd, offset, length); 277 278 if (err != OK) { 279 ALOGE("Failed to set data source!"); 280 source = NULL; 281 } 282 283 msg->setObject("source", source); 284 msg->post(); 285} 286 287void NuPlayer::prepareAsync() { 288 (new AMessage(kWhatPrepare, id()))->post(); 289} 290 291void NuPlayer::setVideoSurfaceTextureAsync( 292 const sp<IGraphicBufferProducer> &bufferProducer) { 293 sp<AMessage> msg = new AMessage(kWhatSetVideoNativeWindow, id()); 294 295 if (bufferProducer == NULL) { 296 msg->setObject("native-window", NULL); 297 } else { 298 msg->setObject( 299 "native-window", 300 new NativeWindowWrapper( 301 new Surface(bufferProducer, true /* controlledByApp */))); 302 } 303 304 msg->post(); 305} 306 307void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) { 308 sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id()); 309 msg->setObject("sink", sink); 310 msg->post(); 311} 312 313void NuPlayer::start() { 314 (new AMessage(kWhatStart, id()))->post(); 315} 316 317void NuPlayer::pause() { 318 (new AMessage(kWhatPause, id()))->post(); 319} 320 321void NuPlayer::resetAsync() { 322 if (mSource != NULL) { 323 // During a reset, the data source might be unresponsive already, we need to 324 // disconnect explicitly so that reads exit promptly. 325 // We can't queue the disconnect request to the looper, as it might be 326 // queued behind a stuck read and never gets processed. 327 // Doing a disconnect outside the looper to allows the pending reads to exit 328 // (either successfully or with error). 329 mSource->disconnect(); 330 } 331 332 (new AMessage(kWhatReset, id()))->post(); 333} 334 335void NuPlayer::seekToAsync(int64_t seekTimeUs, bool needNotify) { 336 sp<AMessage> msg = new AMessage(kWhatSeek, id()); 337 msg->setInt64("seekTimeUs", seekTimeUs); 338 msg->setInt32("needNotify", needNotify); 339 msg->post(); 340} 341 342 343void NuPlayer::writeTrackInfo( 344 Parcel* reply, const sp<AMessage> format) const { 345 int32_t trackType; 346 CHECK(format->findInt32("type", &trackType)); 347 348 AString lang; 349 CHECK(format->findString("language", &lang)); 350 351 reply->writeInt32(2); // write something non-zero 352 reply->writeInt32(trackType); 353 reply->writeString16(String16(lang.c_str())); 354 355 if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) { 356 AString mime; 357 CHECK(format->findString("mime", &mime)); 358 359 int32_t isAuto, isDefault, isForced; 360 CHECK(format->findInt32("auto", &isAuto)); 361 CHECK(format->findInt32("default", &isDefault)); 362 CHECK(format->findInt32("forced", &isForced)); 363 364 reply->writeString16(String16(mime.c_str())); 365 reply->writeInt32(isAuto); 366 reply->writeInt32(isDefault); 367 reply->writeInt32(isForced); 368 } 369} 370 371void NuPlayer::onMessageReceived(const sp<AMessage> &msg) { 372 switch (msg->what()) { 373 case kWhatSetDataSource: 374 { 375 ALOGV("kWhatSetDataSource"); 376 377 CHECK(mSource == NULL); 378 379 status_t err = OK; 380 sp<RefBase> obj; 381 CHECK(msg->findObject("source", &obj)); 382 if (obj != NULL) { 383 mSource = static_cast<Source *>(obj.get()); 384 } else { 385 err = UNKNOWN_ERROR; 386 } 387 388 CHECK(mDriver != NULL); 389 sp<NuPlayerDriver> driver = mDriver.promote(); 390 if (driver != NULL) { 391 driver->notifySetDataSourceCompleted(err); 392 } 393 break; 394 } 395 396 case kWhatPrepare: 397 { 398 mSource->prepareAsync(); 399 break; 400 } 401 402 case kWhatGetTrackInfo: 403 { 404 uint32_t replyID; 405 CHECK(msg->senderAwaitsResponse(&replyID)); 406 407 Parcel* reply; 408 CHECK(msg->findPointer("reply", (void**)&reply)); 409 410 size_t inbandTracks = 0; 411 if (mSource != NULL) { 412 inbandTracks = mSource->getTrackCount(); 413 } 414 415 size_t ccTracks = 0; 416 if (mCCDecoder != NULL) { 417 ccTracks = mCCDecoder->getTrackCount(); 418 } 419 420 // total track count 421 reply->writeInt32(inbandTracks + ccTracks); 422 423 // write inband tracks 424 for (size_t i = 0; i < inbandTracks; ++i) { 425 writeTrackInfo(reply, mSource->getTrackInfo(i)); 426 } 427 428 // write CC track 429 for (size_t i = 0; i < ccTracks; ++i) { 430 writeTrackInfo(reply, mCCDecoder->getTrackInfo(i)); 431 } 432 433 sp<AMessage> response = new AMessage; 434 response->postReply(replyID); 435 break; 436 } 437 438 case kWhatGetSelectedTrack: 439 { 440 status_t err = INVALID_OPERATION; 441 if (mSource != NULL) { 442 err = OK; 443 444 int32_t type32; 445 CHECK(msg->findInt32("type", (int32_t*)&type32)); 446 media_track_type type = (media_track_type)type32; 447 ssize_t selectedTrack = mSource->getSelectedTrack(type); 448 449 Parcel* reply; 450 CHECK(msg->findPointer("reply", (void**)&reply)); 451 reply->writeInt32(selectedTrack); 452 } 453 454 sp<AMessage> response = new AMessage; 455 response->setInt32("err", err); 456 457 uint32_t replyID; 458 CHECK(msg->senderAwaitsResponse(&replyID)); 459 response->postReply(replyID); 460 break; 461 } 462 463 case kWhatSelectTrack: 464 { 465 uint32_t replyID; 466 CHECK(msg->senderAwaitsResponse(&replyID)); 467 468 size_t trackIndex; 469 int32_t select; 470 int64_t timeUs; 471 CHECK(msg->findSize("trackIndex", &trackIndex)); 472 CHECK(msg->findInt32("select", &select)); 473 CHECK(msg->findInt64("timeUs", &timeUs)); 474 475 status_t err = INVALID_OPERATION; 476 477 size_t inbandTracks = 0; 478 if (mSource != NULL) { 479 inbandTracks = mSource->getTrackCount(); 480 } 481 size_t ccTracks = 0; 482 if (mCCDecoder != NULL) { 483 ccTracks = mCCDecoder->getTrackCount(); 484 } 485 486 if (trackIndex < inbandTracks) { 487 err = mSource->selectTrack(trackIndex, select, timeUs); 488 489 if (!select && err == OK) { 490 int32_t type; 491 sp<AMessage> info = mSource->getTrackInfo(trackIndex); 492 if (info != NULL 493 && info->findInt32("type", &type) 494 && type == MEDIA_TRACK_TYPE_TIMEDTEXT) { 495 ++mTimedTextGeneration; 496 } 497 } 498 } else { 499 trackIndex -= inbandTracks; 500 501 if (trackIndex < ccTracks) { 502 err = mCCDecoder->selectTrack(trackIndex, select); 503 } 504 } 505 506 sp<AMessage> response = new AMessage; 507 response->setInt32("err", err); 508 509 response->postReply(replyID); 510 break; 511 } 512 513 case kWhatPollDuration: 514 { 515 int32_t generation; 516 CHECK(msg->findInt32("generation", &generation)); 517 518 if (generation != mPollDurationGeneration) { 519 // stale 520 break; 521 } 522 523 int64_t durationUs; 524 if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) { 525 sp<NuPlayerDriver> driver = mDriver.promote(); 526 if (driver != NULL) { 527 driver->notifyDuration(durationUs); 528 } 529 } 530 531 msg->post(1000000ll); // poll again in a second. 532 break; 533 } 534 535 case kWhatSetVideoNativeWindow: 536 { 537 ALOGV("kWhatSetVideoNativeWindow"); 538 539 sp<RefBase> obj; 540 CHECK(msg->findObject("native-window", &obj)); 541 542 if (mSource == NULL || mSource->getFormat(false /* audio */) == NULL) { 543 performSetSurface(static_cast<NativeWindowWrapper *>(obj.get())); 544 break; 545 } 546 547 mDeferredActions.push_back( 548 new FlushDecoderAction(FLUSH_CMD_FLUSH /* audio */, 549 FLUSH_CMD_SHUTDOWN /* video */)); 550 551 mDeferredActions.push_back( 552 new SetSurfaceAction( 553 static_cast<NativeWindowWrapper *>(obj.get()))); 554 555 if (obj != NULL) { 556 if (mStarted) { 557 // Issue a seek to refresh the video screen only if started otherwise 558 // the extractor may not yet be started and will assert. 559 // If the video decoder is not set (perhaps audio only in this case) 560 // do not perform a seek as it is not needed. 561 int64_t currentPositionUs = 0; 562 if (getCurrentPosition(¤tPositionUs) == OK) { 563 mDeferredActions.push_back( 564 new SeekAction(currentPositionUs, false /* needNotify */)); 565 } 566 } 567 568 // If there is a new surface texture, instantiate decoders 569 // again if possible. 570 mDeferredActions.push_back( 571 new SimpleAction(&NuPlayer::performScanSources)); 572 } 573 574 // After a flush without shutdown, decoder is paused. 575 // Don't resume it until source seek is done, otherwise it could 576 // start pulling stale data too soon. 577 mDeferredActions.push_back( 578 new ResumeDecoderAction(false /* needNotify */)); 579 580 processDeferredActions(); 581 break; 582 } 583 584 case kWhatSetAudioSink: 585 { 586 ALOGV("kWhatSetAudioSink"); 587 588 sp<RefBase> obj; 589 CHECK(msg->findObject("sink", &obj)); 590 591 mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get()); 592 break; 593 } 594 595 case kWhatStart: 596 { 597 ALOGV("kWhatStart"); 598 if (mStarted) { 599 onResume(); 600 } else { 601 onStart(); 602 } 603 mPausedByClient = false; 604 break; 605 } 606 607 case kWhatScanSources: 608 { 609 int32_t generation; 610 CHECK(msg->findInt32("generation", &generation)); 611 if (generation != mScanSourcesGeneration) { 612 // Drop obsolete msg. 613 break; 614 } 615 616 mScanSourcesPending = false; 617 618 ALOGV("scanning sources haveAudio=%d, haveVideo=%d", 619 mAudioDecoder != NULL, mVideoDecoder != NULL); 620 621 bool mHadAnySourcesBefore = 622 (mAudioDecoder != NULL) || (mVideoDecoder != NULL); 623 624 // initialize video before audio because successful initialization of 625 // video may change deep buffer mode of audio. 626 if (mNativeWindow != NULL) { 627 instantiateDecoder(false, &mVideoDecoder); 628 } 629 630 // Don't try to re-open audio sink if there's an existing decoder. 631 if (mAudioSink != NULL && mAudioDecoder == NULL) { 632 sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */); 633 sp<AMessage> videoFormat = mSource->getFormat(false /* audio */); 634 audio_stream_type_t streamType = mAudioSink->getAudioStreamType(); 635 const bool hasVideo = (videoFormat != NULL); 636 const bool canOffload = canOffloadStream( 637 audioMeta, hasVideo, true /* is_streaming */, streamType); 638 if (canOffload) { 639 if (!mOffloadAudio) { 640 mRenderer->signalEnableOffloadAudio(); 641 } 642 // open audio sink early under offload mode. 643 sp<AMessage> format = mSource->getFormat(true /*audio*/); 644 tryOpenAudioSinkForOffload(format, hasVideo); 645 } 646 instantiateDecoder(true, &mAudioDecoder); 647 } 648 649 if (!mHadAnySourcesBefore 650 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 651 // This is the first time we've found anything playable. 652 653 if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) { 654 schedulePollDuration(); 655 } 656 } 657 658 status_t err; 659 if ((err = mSource->feedMoreTSData()) != OK) { 660 if (mAudioDecoder == NULL && mVideoDecoder == NULL) { 661 // We're not currently decoding anything (no audio or 662 // video tracks found) and we just ran out of input data. 663 664 if (err == ERROR_END_OF_STREAM) { 665 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 666 } else { 667 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 668 } 669 } 670 break; 671 } 672 673 if ((mAudioDecoder == NULL && mAudioSink != NULL) 674 || (mVideoDecoder == NULL && mNativeWindow != NULL)) { 675 msg->post(100000ll); 676 mScanSourcesPending = true; 677 } 678 break; 679 } 680 681 case kWhatVideoNotify: 682 case kWhatAudioNotify: 683 { 684 bool audio = msg->what() == kWhatAudioNotify; 685 686 int32_t currentDecoderGeneration = 687 (audio? mAudioDecoderGeneration : mVideoDecoderGeneration); 688 int32_t requesterGeneration = currentDecoderGeneration - 1; 689 CHECK(msg->findInt32("generation", &requesterGeneration)); 690 691 if (requesterGeneration != currentDecoderGeneration) { 692 ALOGV("got message from old %s decoder, generation(%d:%d)", 693 audio ? "audio" : "video", requesterGeneration, 694 currentDecoderGeneration); 695 sp<AMessage> reply; 696 if (!(msg->findMessage("reply", &reply))) { 697 return; 698 } 699 700 reply->setInt32("err", INFO_DISCONTINUITY); 701 reply->post(); 702 return; 703 } 704 705 int32_t what; 706 CHECK(msg->findInt32("what", &what)); 707 708 if (what == DecoderBase::kWhatInputDiscontinuity) { 709 int32_t formatChange; 710 CHECK(msg->findInt32("formatChange", &formatChange)); 711 712 ALOGV("%s discontinuity: formatChange %d", 713 audio ? "audio" : "video", formatChange); 714 715 if (formatChange) { 716 mDeferredActions.push_back( 717 new FlushDecoderAction( 718 audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE, 719 audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN)); 720 } 721 722 mDeferredActions.push_back( 723 new SimpleAction( 724 &NuPlayer::performScanSources)); 725 726 processDeferredActions(); 727 } else if (what == DecoderBase::kWhatEOS) { 728 int32_t err; 729 CHECK(msg->findInt32("err", &err)); 730 731 if (err == ERROR_END_OF_STREAM) { 732 ALOGV("got %s decoder EOS", audio ? "audio" : "video"); 733 } else { 734 ALOGV("got %s decoder EOS w/ error %d", 735 audio ? "audio" : "video", 736 err); 737 } 738 739 mRenderer->queueEOS(audio, err); 740 } else if (what == DecoderBase::kWhatFlushCompleted) { 741 ALOGV("decoder %s flush completed", audio ? "audio" : "video"); 742 743 handleFlushComplete(audio, true /* isDecoder */); 744 finishFlushIfPossible(); 745 } else if (what == DecoderBase::kWhatVideoSizeChanged) { 746 sp<AMessage> format; 747 CHECK(msg->findMessage("format", &format)); 748 749 sp<AMessage> inputFormat = 750 mSource->getFormat(false /* audio */); 751 752 updateVideoSize(inputFormat, format); 753 } else if (what == DecoderBase::kWhatShutdownCompleted) { 754 ALOGV("%s shutdown completed", audio ? "audio" : "video"); 755 if (audio) { 756 mAudioDecoder.clear(); 757 ++mAudioDecoderGeneration; 758 759 CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER); 760 mFlushingAudio = SHUT_DOWN; 761 } else { 762 mVideoDecoder.clear(); 763 ++mVideoDecoderGeneration; 764 765 CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER); 766 mFlushingVideo = SHUT_DOWN; 767 } 768 769 finishFlushIfPossible(); 770 } else if (what == DecoderBase::kWhatResumeCompleted) { 771 finishResume(); 772 } else if (what == DecoderBase::kWhatError) { 773 status_t err; 774 if (!msg->findInt32("err", &err) || err == OK) { 775 err = UNKNOWN_ERROR; 776 } 777 778 // Decoder errors can be due to Source (e.g. from streaming), 779 // or from decoding corrupted bitstreams, or from other decoder 780 // MediaCodec operations (e.g. from an ongoing reset or seek). 781 // They may also be due to openAudioSink failure at 782 // decoder start or after a format change. 783 // 784 // We try to gracefully shut down the affected decoder if possible, 785 // rather than trying to force the shutdown with something 786 // similar to performReset(). This method can lead to a hang 787 // if MediaCodec functions block after an error, but they should 788 // typically return INVALID_OPERATION instead of blocking. 789 790 FlushStatus *flushing = audio ? &mFlushingAudio : &mFlushingVideo; 791 ALOGE("received error(%#x) from %s decoder, flushing(%d), now shutting down", 792 err, audio ? "audio" : "video", *flushing); 793 794 switch (*flushing) { 795 case NONE: 796 mDeferredActions.push_back( 797 new FlushDecoderAction( 798 audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE, 799 audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN)); 800 processDeferredActions(); 801 break; 802 case FLUSHING_DECODER: 803 *flushing = FLUSHING_DECODER_SHUTDOWN; // initiate shutdown after flush. 804 break; // Wait for flush to complete. 805 case FLUSHING_DECODER_SHUTDOWN: 806 break; // Wait for flush to complete. 807 case SHUTTING_DOWN_DECODER: 808 break; // Wait for shutdown to complete. 809 case FLUSHED: 810 // Widevine source reads must stop before releasing the video decoder. 811 if (!audio && mSource != NULL && mSourceFlags & Source::FLAG_SECURE) { 812 mSource->stop(); 813 } 814 getDecoder(audio)->initiateShutdown(); // In the middle of a seek. 815 *flushing = SHUTTING_DOWN_DECODER; // Shut down. 816 break; 817 case SHUT_DOWN: 818 finishFlushIfPossible(); // Should not occur. 819 break; // Finish anyways. 820 } 821 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err); 822 } else { 823 ALOGV("Unhandled decoder notification %d '%c%c%c%c'.", 824 what, 825 what >> 24, 826 (what >> 16) & 0xff, 827 (what >> 8) & 0xff, 828 what & 0xff); 829 } 830 831 break; 832 } 833 834 case kWhatRendererNotify: 835 { 836 int32_t requesterGeneration = mRendererGeneration - 1; 837 CHECK(msg->findInt32("generation", &requesterGeneration)); 838 if (requesterGeneration != mRendererGeneration) { 839 ALOGV("got message from old renderer, generation(%d:%d)", 840 requesterGeneration, mRendererGeneration); 841 return; 842 } 843 844 int32_t what; 845 CHECK(msg->findInt32("what", &what)); 846 847 if (what == Renderer::kWhatEOS) { 848 int32_t audio; 849 CHECK(msg->findInt32("audio", &audio)); 850 851 int32_t finalResult; 852 CHECK(msg->findInt32("finalResult", &finalResult)); 853 854 if (audio) { 855 mAudioEOS = true; 856 } else { 857 mVideoEOS = true; 858 } 859 860 if (finalResult == ERROR_END_OF_STREAM) { 861 ALOGV("reached %s EOS", audio ? "audio" : "video"); 862 } else { 863 ALOGE("%s track encountered an error (%d)", 864 audio ? "audio" : "video", finalResult); 865 866 notifyListener( 867 MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult); 868 } 869 870 if ((mAudioEOS || mAudioDecoder == NULL) 871 && (mVideoEOS || mVideoDecoder == NULL)) { 872 notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); 873 } 874 } else if (what == Renderer::kWhatFlushComplete) { 875 int32_t audio; 876 CHECK(msg->findInt32("audio", &audio)); 877 878 ALOGV("renderer %s flush completed.", audio ? "audio" : "video"); 879 handleFlushComplete(audio, false /* isDecoder */); 880 finishFlushIfPossible(); 881 } else if (what == Renderer::kWhatVideoRenderingStart) { 882 notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0); 883 } else if (what == Renderer::kWhatMediaRenderingStart) { 884 ALOGV("media rendering started"); 885 notifyListener(MEDIA_STARTED, 0, 0); 886 } else if (what == Renderer::kWhatAudioOffloadTearDown) { 887 ALOGV("Tear down audio offload, fall back to s/w path if due to error."); 888 int64_t positionUs; 889 CHECK(msg->findInt64("positionUs", &positionUs)); 890 int32_t reason; 891 CHECK(msg->findInt32("reason", &reason)); 892 closeAudioSink(); 893 mAudioDecoder.clear(); 894 ++mAudioDecoderGeneration; 895 mRenderer->flush( 896 true /* audio */, false /* notifyComplete */); 897 if (mVideoDecoder != NULL) { 898 mRenderer->flush( 899 false /* audio */, false /* notifyComplete */); 900 } 901 902 performSeek(positionUs, false /* needNotify */); 903 if (reason == Renderer::kDueToError) { 904 mRenderer->signalDisableOffloadAudio(); 905 mOffloadAudio = false; 906 instantiateDecoder(true /* audio */, &mAudioDecoder); 907 } 908 } 909 break; 910 } 911 912 case kWhatMoreDataQueued: 913 { 914 break; 915 } 916 917 case kWhatReset: 918 { 919 ALOGV("kWhatReset"); 920 921 mDeferredActions.push_back( 922 new FlushDecoderAction( 923 FLUSH_CMD_SHUTDOWN /* audio */, 924 FLUSH_CMD_SHUTDOWN /* video */)); 925 926 mDeferredActions.push_back( 927 new SimpleAction(&NuPlayer::performReset)); 928 929 processDeferredActions(); 930 break; 931 } 932 933 case kWhatSeek: 934 { 935 int64_t seekTimeUs; 936 int32_t needNotify; 937 CHECK(msg->findInt64("seekTimeUs", &seekTimeUs)); 938 CHECK(msg->findInt32("needNotify", &needNotify)); 939 940 ALOGV("kWhatSeek seekTimeUs=%lld us, needNotify=%d", 941 seekTimeUs, needNotify); 942 943 mDeferredActions.push_back( 944 new FlushDecoderAction(FLUSH_CMD_FLUSH /* audio */, 945 FLUSH_CMD_FLUSH /* video */)); 946 947 mDeferredActions.push_back( 948 new SeekAction(seekTimeUs, needNotify)); 949 950 // After a flush without shutdown, decoder is paused. 951 // Don't resume it until source seek is done, otherwise it could 952 // start pulling stale data too soon. 953 mDeferredActions.push_back( 954 new ResumeDecoderAction(needNotify)); 955 956 processDeferredActions(); 957 break; 958 } 959 960 case kWhatPause: 961 { 962 onPause(); 963 mPausedByClient = true; 964 break; 965 } 966 967 case kWhatSourceNotify: 968 { 969 onSourceNotify(msg); 970 break; 971 } 972 973 case kWhatClosedCaptionNotify: 974 { 975 onClosedCaptionNotify(msg); 976 break; 977 } 978 979 default: 980 TRESPASS(); 981 break; 982 } 983} 984 985void NuPlayer::onResume() { 986 if (!mPaused) { 987 return; 988 } 989 mPaused = false; 990 if (mSource != NULL) { 991 mSource->resume(); 992 } else { 993 ALOGW("resume called when source is gone or not set"); 994 } 995 // |mAudioDecoder| may have been released due to the pause timeout, so re-create it if 996 // needed. 997 if (audioDecoderStillNeeded() && mAudioDecoder == NULL) { 998 instantiateDecoder(true /* audio */, &mAudioDecoder); 999 } 1000 if (mRenderer != NULL) { 1001 mRenderer->resume(); 1002 } else { 1003 ALOGW("resume called when renderer is gone or not set"); 1004 } 1005} 1006 1007void NuPlayer::onStart() { 1008 mOffloadAudio = false; 1009 mAudioEOS = false; 1010 mVideoEOS = false; 1011 mStarted = true; 1012 1013 /* instantiate decoders now for secure playback */ 1014 if (mSourceFlags & Source::FLAG_SECURE) { 1015 if (mNativeWindow != NULL) { 1016 instantiateDecoder(false, &mVideoDecoder); 1017 } 1018 1019 if (mAudioSink != NULL) { 1020 instantiateDecoder(true, &mAudioDecoder); 1021 } 1022 } 1023 1024 mSource->start(); 1025 1026 uint32_t flags = 0; 1027 1028 if (mSource->isRealTime()) { 1029 flags |= Renderer::FLAG_REAL_TIME; 1030 } 1031 1032 sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */); 1033 audio_stream_type_t streamType = AUDIO_STREAM_MUSIC; 1034 if (mAudioSink != NULL) { 1035 streamType = mAudioSink->getAudioStreamType(); 1036 } 1037 1038 sp<AMessage> videoFormat = mSource->getFormat(false /* audio */); 1039 1040 mOffloadAudio = 1041 canOffloadStream(audioMeta, (videoFormat != NULL), 1042 true /* is_streaming */, streamType); 1043 if (mOffloadAudio) { 1044 flags |= Renderer::FLAG_OFFLOAD_AUDIO; 1045 } 1046 1047 sp<AMessage> notify = new AMessage(kWhatRendererNotify, id()); 1048 ++mRendererGeneration; 1049 notify->setInt32("generation", mRendererGeneration); 1050 mRenderer = new Renderer(mAudioSink, notify, flags); 1051 1052 mRendererLooper = new ALooper; 1053 mRendererLooper->setName("NuPlayerRenderer"); 1054 mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO); 1055 mRendererLooper->registerHandler(mRenderer); 1056 1057 sp<MetaData> meta = getFileMeta(); 1058 int32_t rate; 1059 if (meta != NULL 1060 && meta->findInt32(kKeyFrameRate, &rate) && rate > 0) { 1061 mRenderer->setVideoFrameRate(rate); 1062 } 1063 1064 if (mVideoDecoder != NULL) { 1065 mVideoDecoder->setRenderer(mRenderer); 1066 } 1067 if (mAudioDecoder != NULL) { 1068 mAudioDecoder->setRenderer(mRenderer); 1069 } 1070 1071 postScanSources(); 1072} 1073 1074void NuPlayer::onPause() { 1075 if (mPaused) { 1076 return; 1077 } 1078 mPaused = true; 1079 if (mSource != NULL) { 1080 mSource->pause(); 1081 } else { 1082 ALOGW("pause called when source is gone or not set"); 1083 } 1084 if (mRenderer != NULL) { 1085 mRenderer->pause(); 1086 } else { 1087 ALOGW("pause called when renderer is gone or not set"); 1088 } 1089} 1090 1091bool NuPlayer::audioDecoderStillNeeded() { 1092 // Audio decoder is no longer needed if it's in shut/shutting down status. 1093 return ((mFlushingAudio != SHUT_DOWN) && (mFlushingAudio != SHUTTING_DOWN_DECODER)); 1094} 1095 1096void NuPlayer::handleFlushComplete(bool audio, bool isDecoder) { 1097 // We wait for both the decoder flush and the renderer flush to complete 1098 // before entering either the FLUSHED or the SHUTTING_DOWN_DECODER state. 1099 1100 mFlushComplete[audio][isDecoder] = true; 1101 if (!mFlushComplete[audio][!isDecoder]) { 1102 return; 1103 } 1104 1105 FlushStatus *state = audio ? &mFlushingAudio : &mFlushingVideo; 1106 switch (*state) { 1107 case FLUSHING_DECODER: 1108 { 1109 *state = FLUSHED; 1110 break; 1111 } 1112 1113 case FLUSHING_DECODER_SHUTDOWN: 1114 { 1115 *state = SHUTTING_DOWN_DECODER; 1116 1117 ALOGV("initiating %s decoder shutdown", audio ? "audio" : "video"); 1118 if (!audio) { 1119 // Widevine source reads must stop before releasing the video decoder. 1120 if (mSource != NULL && mSourceFlags & Source::FLAG_SECURE) { 1121 mSource->stop(); 1122 } 1123 } 1124 getDecoder(audio)->initiateShutdown(); 1125 break; 1126 } 1127 1128 default: 1129 // decoder flush completes only occur in a flushing state. 1130 LOG_ALWAYS_FATAL_IF(isDecoder, "decoder flush in invalid state %d", *state); 1131 break; 1132 } 1133} 1134 1135void NuPlayer::finishFlushIfPossible() { 1136 if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED 1137 && mFlushingAudio != SHUT_DOWN) { 1138 return; 1139 } 1140 1141 if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED 1142 && mFlushingVideo != SHUT_DOWN) { 1143 return; 1144 } 1145 1146 ALOGV("both audio and video are flushed now."); 1147 1148 mFlushingAudio = NONE; 1149 mFlushingVideo = NONE; 1150 1151 clearFlushComplete(); 1152 1153 processDeferredActions(); 1154} 1155 1156void NuPlayer::postScanSources() { 1157 if (mScanSourcesPending) { 1158 return; 1159 } 1160 1161 sp<AMessage> msg = new AMessage(kWhatScanSources, id()); 1162 msg->setInt32("generation", mScanSourcesGeneration); 1163 msg->post(); 1164 1165 mScanSourcesPending = true; 1166} 1167 1168void NuPlayer::tryOpenAudioSinkForOffload(const sp<AMessage> &format, bool hasVideo) { 1169 // Note: This is called early in NuPlayer to determine whether offloading 1170 // is possible; otherwise the decoders call the renderer openAudioSink directly. 1171 1172 status_t err = mRenderer->openAudioSink( 1173 format, true /* offloadOnly */, hasVideo, AUDIO_OUTPUT_FLAG_NONE, &mOffloadAudio); 1174 if (err != OK) { 1175 // Any failure we turn off mOffloadAudio. 1176 mOffloadAudio = false; 1177 } else if (mOffloadAudio) { 1178 sp<MetaData> audioMeta = 1179 mSource->getFormatMeta(true /* audio */); 1180 sendMetaDataToHal(mAudioSink, audioMeta); 1181 } 1182} 1183 1184void NuPlayer::closeAudioSink() { 1185 mRenderer->closeAudioSink(); 1186} 1187 1188status_t NuPlayer::instantiateDecoder(bool audio, sp<DecoderBase> *decoder) { 1189 if (*decoder != NULL) { 1190 return OK; 1191 } 1192 1193 sp<AMessage> format = mSource->getFormat(audio); 1194 1195 if (format == NULL) { 1196 return -EWOULDBLOCK; 1197 } 1198 1199 if (!audio) { 1200 AString mime; 1201 CHECK(format->findString("mime", &mime)); 1202 1203 sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, id()); 1204 mCCDecoder = new CCDecoder(ccNotify); 1205 1206 if (mSourceFlags & Source::FLAG_SECURE) { 1207 format->setInt32("secure", true); 1208 } 1209 1210 if (mSourceFlags & Source::FLAG_PROTECTED) { 1211 format->setInt32("protected", true); 1212 } 1213 } 1214 1215 if (audio) { 1216 sp<AMessage> notify = new AMessage(kWhatAudioNotify, id()); 1217 ++mAudioDecoderGeneration; 1218 notify->setInt32("generation", mAudioDecoderGeneration); 1219 1220 if (mOffloadAudio) { 1221 *decoder = new DecoderPassThrough(notify, mSource, mRenderer); 1222 } else { 1223 *decoder = new Decoder(notify, mSource, mRenderer); 1224 } 1225 } else { 1226 sp<AMessage> notify = new AMessage(kWhatVideoNotify, id()); 1227 ++mVideoDecoderGeneration; 1228 notify->setInt32("generation", mVideoDecoderGeneration); 1229 1230 *decoder = new Decoder( 1231 notify, mSource, mRenderer, mNativeWindow, mCCDecoder); 1232 1233 // enable FRC if high-quality AV sync is requested, even if not 1234 // queuing to native window, as this will even improve textureview 1235 // playback. 1236 { 1237 char value[PROPERTY_VALUE_MAX]; 1238 if (property_get("persist.sys.media.avsync", value, NULL) && 1239 (!strcmp("1", value) || !strcasecmp("true", value))) { 1240 format->setInt32("auto-frc", 1); 1241 } 1242 } 1243 } 1244 (*decoder)->init(); 1245 (*decoder)->configure(format); 1246 1247 // allocate buffers to decrypt widevine source buffers 1248 if (!audio && (mSourceFlags & Source::FLAG_SECURE)) { 1249 Vector<sp<ABuffer> > inputBufs; 1250 CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK); 1251 1252 Vector<MediaBuffer *> mediaBufs; 1253 for (size_t i = 0; i < inputBufs.size(); i++) { 1254 const sp<ABuffer> &buffer = inputBufs[i]; 1255 MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size()); 1256 mediaBufs.push(mbuf); 1257 } 1258 1259 status_t err = mSource->setBuffers(audio, mediaBufs); 1260 if (err != OK) { 1261 for (size_t i = 0; i < mediaBufs.size(); ++i) { 1262 mediaBufs[i]->release(); 1263 } 1264 mediaBufs.clear(); 1265 ALOGE("Secure source didn't support secure mediaBufs."); 1266 return err; 1267 } 1268 } 1269 return OK; 1270} 1271 1272void NuPlayer::updateVideoSize( 1273 const sp<AMessage> &inputFormat, 1274 const sp<AMessage> &outputFormat) { 1275 if (inputFormat == NULL) { 1276 ALOGW("Unknown video size, reporting 0x0!"); 1277 notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0); 1278 return; 1279 } 1280 1281 int32_t displayWidth, displayHeight; 1282 int32_t cropLeft, cropTop, cropRight, cropBottom; 1283 1284 if (outputFormat != NULL) { 1285 int32_t width, height; 1286 CHECK(outputFormat->findInt32("width", &width)); 1287 CHECK(outputFormat->findInt32("height", &height)); 1288 1289 int32_t cropLeft, cropTop, cropRight, cropBottom; 1290 CHECK(outputFormat->findRect( 1291 "crop", 1292 &cropLeft, &cropTop, &cropRight, &cropBottom)); 1293 1294 displayWidth = cropRight - cropLeft + 1; 1295 displayHeight = cropBottom - cropTop + 1; 1296 1297 ALOGV("Video output format changed to %d x %d " 1298 "(crop: %d x %d @ (%d, %d))", 1299 width, height, 1300 displayWidth, 1301 displayHeight, 1302 cropLeft, cropTop); 1303 } else { 1304 CHECK(inputFormat->findInt32("width", &displayWidth)); 1305 CHECK(inputFormat->findInt32("height", &displayHeight)); 1306 1307 ALOGV("Video input format %d x %d", displayWidth, displayHeight); 1308 } 1309 1310 // Take into account sample aspect ratio if necessary: 1311 int32_t sarWidth, sarHeight; 1312 if (inputFormat->findInt32("sar-width", &sarWidth) 1313 && inputFormat->findInt32("sar-height", &sarHeight)) { 1314 ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight); 1315 1316 displayWidth = (displayWidth * sarWidth) / sarHeight; 1317 1318 ALOGV("display dimensions %d x %d", displayWidth, displayHeight); 1319 } 1320 1321 int32_t rotationDegrees; 1322 if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) { 1323 rotationDegrees = 0; 1324 } 1325 1326 if (rotationDegrees == 90 || rotationDegrees == 270) { 1327 int32_t tmp = displayWidth; 1328 displayWidth = displayHeight; 1329 displayHeight = tmp; 1330 } 1331 1332 notifyListener( 1333 MEDIA_SET_VIDEO_SIZE, 1334 displayWidth, 1335 displayHeight); 1336} 1337 1338void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) { 1339 if (mDriver == NULL) { 1340 return; 1341 } 1342 1343 sp<NuPlayerDriver> driver = mDriver.promote(); 1344 1345 if (driver == NULL) { 1346 return; 1347 } 1348 1349 driver->notifyListener(msg, ext1, ext2, in); 1350} 1351 1352void NuPlayer::flushDecoder(bool audio, bool needShutdown) { 1353 ALOGV("[%s] flushDecoder needShutdown=%d", 1354 audio ? "audio" : "video", needShutdown); 1355 1356 const sp<DecoderBase> &decoder = getDecoder(audio); 1357 if (decoder == NULL) { 1358 ALOGI("flushDecoder %s without decoder present", 1359 audio ? "audio" : "video"); 1360 return; 1361 } 1362 1363 // Make sure we don't continue to scan sources until we finish flushing. 1364 ++mScanSourcesGeneration; 1365 mScanSourcesPending = false; 1366 1367 decoder->signalFlush(); 1368 1369 FlushStatus newStatus = 1370 needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER; 1371 1372 mFlushComplete[audio][false /* isDecoder */] = false; 1373 mFlushComplete[audio][true /* isDecoder */] = false; 1374 if (audio) { 1375 ALOGE_IF(mFlushingAudio != NONE, 1376 "audio flushDecoder() is called in state %d", mFlushingAudio); 1377 mFlushingAudio = newStatus; 1378 } else { 1379 ALOGE_IF(mFlushingVideo != NONE, 1380 "video flushDecoder() is called in state %d", mFlushingVideo); 1381 mFlushingVideo = newStatus; 1382 } 1383} 1384 1385void NuPlayer::queueDecoderShutdown( 1386 bool audio, bool video, const sp<AMessage> &reply) { 1387 ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video); 1388 1389 mDeferredActions.push_back( 1390 new FlushDecoderAction( 1391 audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE, 1392 video ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE)); 1393 1394 mDeferredActions.push_back( 1395 new SimpleAction(&NuPlayer::performScanSources)); 1396 1397 mDeferredActions.push_back(new PostMessageAction(reply)); 1398 1399 processDeferredActions(); 1400} 1401 1402status_t NuPlayer::setVideoScalingMode(int32_t mode) { 1403 mVideoScalingMode = mode; 1404 if (mNativeWindow != NULL) { 1405 status_t ret = native_window_set_scaling_mode( 1406 mNativeWindow->getNativeWindow().get(), mVideoScalingMode); 1407 if (ret != OK) { 1408 ALOGE("Failed to set scaling mode (%d): %s", 1409 -ret, strerror(-ret)); 1410 return ret; 1411 } 1412 } 1413 return OK; 1414} 1415 1416status_t NuPlayer::getTrackInfo(Parcel* reply) const { 1417 sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, id()); 1418 msg->setPointer("reply", reply); 1419 1420 sp<AMessage> response; 1421 status_t err = msg->postAndAwaitResponse(&response); 1422 return err; 1423} 1424 1425status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const { 1426 sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, id()); 1427 msg->setPointer("reply", reply); 1428 msg->setInt32("type", type); 1429 1430 sp<AMessage> response; 1431 status_t err = msg->postAndAwaitResponse(&response); 1432 if (err == OK && response != NULL) { 1433 CHECK(response->findInt32("err", &err)); 1434 } 1435 return err; 1436} 1437 1438status_t NuPlayer::selectTrack(size_t trackIndex, bool select, int64_t timeUs) { 1439 sp<AMessage> msg = new AMessage(kWhatSelectTrack, id()); 1440 msg->setSize("trackIndex", trackIndex); 1441 msg->setInt32("select", select); 1442 msg->setInt64("timeUs", timeUs); 1443 1444 sp<AMessage> response; 1445 status_t err = msg->postAndAwaitResponse(&response); 1446 1447 if (err != OK) { 1448 return err; 1449 } 1450 1451 if (!response->findInt32("err", &err)) { 1452 err = OK; 1453 } 1454 1455 return err; 1456} 1457 1458status_t NuPlayer::getCurrentPosition(int64_t *mediaUs) { 1459 sp<Renderer> renderer = mRenderer; 1460 if (renderer == NULL) { 1461 return NO_INIT; 1462 } 1463 1464 return renderer->getCurrentPosition(mediaUs); 1465} 1466 1467void NuPlayer::getStats(int64_t *numFramesTotal, int64_t *numFramesDropped) { 1468 sp<DecoderBase> decoder = getDecoder(false /* audio */); 1469 if (decoder != NULL) { 1470 decoder->getStats(numFramesTotal, numFramesDropped); 1471 } else { 1472 *numFramesTotal = 0; 1473 *numFramesDropped = 0; 1474 } 1475} 1476 1477sp<MetaData> NuPlayer::getFileMeta() { 1478 return mSource->getFileFormatMeta(); 1479} 1480 1481void NuPlayer::schedulePollDuration() { 1482 sp<AMessage> msg = new AMessage(kWhatPollDuration, id()); 1483 msg->setInt32("generation", mPollDurationGeneration); 1484 msg->post(); 1485} 1486 1487void NuPlayer::cancelPollDuration() { 1488 ++mPollDurationGeneration; 1489} 1490 1491void NuPlayer::processDeferredActions() { 1492 while (!mDeferredActions.empty()) { 1493 // We won't execute any deferred actions until we're no longer in 1494 // an intermediate state, i.e. one more more decoders are currently 1495 // flushing or shutting down. 1496 1497 if (mFlushingAudio != NONE || mFlushingVideo != NONE) { 1498 // We're currently flushing, postpone the reset until that's 1499 // completed. 1500 1501 ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d", 1502 mFlushingAudio, mFlushingVideo); 1503 1504 break; 1505 } 1506 1507 sp<Action> action = *mDeferredActions.begin(); 1508 mDeferredActions.erase(mDeferredActions.begin()); 1509 1510 action->execute(this); 1511 } 1512} 1513 1514void NuPlayer::performSeek(int64_t seekTimeUs, bool needNotify) { 1515 ALOGV("performSeek seekTimeUs=%lld us (%.2f secs), needNotify(%d)", 1516 seekTimeUs, 1517 seekTimeUs / 1E6, 1518 needNotify); 1519 1520 if (mSource == NULL) { 1521 // This happens when reset occurs right before the loop mode 1522 // asynchronously seeks to the start of the stream. 1523 LOG_ALWAYS_FATAL_IF(mAudioDecoder != NULL || mVideoDecoder != NULL, 1524 "mSource is NULL and decoders not NULL audio(%p) video(%p)", 1525 mAudioDecoder.get(), mVideoDecoder.get()); 1526 return; 1527 } 1528 mSource->seekTo(seekTimeUs); 1529 ++mTimedTextGeneration; 1530 1531 // everything's flushed, continue playback. 1532} 1533 1534void NuPlayer::performDecoderFlush(FlushCommand audio, FlushCommand video) { 1535 ALOGV("performDecoderFlush audio=%d, video=%d", audio, video); 1536 1537 if ((audio == FLUSH_CMD_NONE || mAudioDecoder == NULL) 1538 && (video == FLUSH_CMD_NONE || mVideoDecoder == NULL)) { 1539 return; 1540 } 1541 1542 if (audio != FLUSH_CMD_NONE && mAudioDecoder != NULL) { 1543 flushDecoder(true /* audio */, (audio == FLUSH_CMD_SHUTDOWN)); 1544 } 1545 1546 if (video != FLUSH_CMD_NONE && mVideoDecoder != NULL) { 1547 flushDecoder(false /* audio */, (video == FLUSH_CMD_SHUTDOWN)); 1548 } 1549} 1550 1551void NuPlayer::performReset() { 1552 ALOGV("performReset"); 1553 1554 CHECK(mAudioDecoder == NULL); 1555 CHECK(mVideoDecoder == NULL); 1556 1557 cancelPollDuration(); 1558 1559 ++mScanSourcesGeneration; 1560 mScanSourcesPending = false; 1561 1562 if (mRendererLooper != NULL) { 1563 if (mRenderer != NULL) { 1564 mRendererLooper->unregisterHandler(mRenderer->id()); 1565 } 1566 mRendererLooper->stop(); 1567 mRendererLooper.clear(); 1568 } 1569 mRenderer.clear(); 1570 ++mRendererGeneration; 1571 1572 if (mSource != NULL) { 1573 mSource->stop(); 1574 1575 mSource.clear(); 1576 } 1577 1578 if (mDriver != NULL) { 1579 sp<NuPlayerDriver> driver = mDriver.promote(); 1580 if (driver != NULL) { 1581 driver->notifyResetComplete(); 1582 } 1583 } 1584 1585 mStarted = false; 1586} 1587 1588void NuPlayer::performScanSources() { 1589 ALOGV("performScanSources"); 1590 1591 if (!mStarted) { 1592 return; 1593 } 1594 1595 if (mAudioDecoder == NULL || mVideoDecoder == NULL) { 1596 postScanSources(); 1597 } 1598} 1599 1600void NuPlayer::performSetSurface(const sp<NativeWindowWrapper> &wrapper) { 1601 ALOGV("performSetSurface"); 1602 1603 mNativeWindow = wrapper; 1604 1605 // XXX - ignore error from setVideoScalingMode for now 1606 setVideoScalingMode(mVideoScalingMode); 1607 1608 if (mDriver != NULL) { 1609 sp<NuPlayerDriver> driver = mDriver.promote(); 1610 if (driver != NULL) { 1611 driver->notifySetSurfaceComplete(); 1612 } 1613 } 1614} 1615 1616void NuPlayer::performResumeDecoders(bool needNotify) { 1617 if (needNotify) { 1618 mResumePending = true; 1619 if (mVideoDecoder == NULL) { 1620 // if audio-only, we can notify seek complete now, 1621 // as the resume operation will be relatively fast. 1622 finishResume(); 1623 } 1624 } 1625 1626 if (mVideoDecoder != NULL) { 1627 // When there is continuous seek, MediaPlayer will cache the seek 1628 // position, and send down new seek request when previous seek is 1629 // complete. Let's wait for at least one video output frame before 1630 // notifying seek complete, so that the video thumbnail gets updated 1631 // when seekbar is dragged. 1632 mVideoDecoder->signalResume(needNotify); 1633 } 1634 1635 if (mAudioDecoder != NULL) { 1636 mAudioDecoder->signalResume(false /* needNotify */); 1637 } 1638} 1639 1640void NuPlayer::finishResume() { 1641 if (mResumePending) { 1642 mResumePending = false; 1643 if (mDriver != NULL) { 1644 sp<NuPlayerDriver> driver = mDriver.promote(); 1645 if (driver != NULL) { 1646 driver->notifySeekComplete(); 1647 } 1648 } 1649 } 1650} 1651 1652void NuPlayer::onSourceNotify(const sp<AMessage> &msg) { 1653 int32_t what; 1654 CHECK(msg->findInt32("what", &what)); 1655 1656 switch (what) { 1657 case Source::kWhatPrepared: 1658 { 1659 if (mSource == NULL) { 1660 // This is a stale notification from a source that was 1661 // asynchronously preparing when the client called reset(). 1662 // We handled the reset, the source is gone. 1663 break; 1664 } 1665 1666 int32_t err; 1667 CHECK(msg->findInt32("err", &err)); 1668 1669 sp<NuPlayerDriver> driver = mDriver.promote(); 1670 if (driver != NULL) { 1671 // notify duration first, so that it's definitely set when 1672 // the app received the "prepare complete" callback. 1673 int64_t durationUs; 1674 if (mSource->getDuration(&durationUs) == OK) { 1675 driver->notifyDuration(durationUs); 1676 } 1677 driver->notifyPrepareCompleted(err); 1678 } 1679 1680 break; 1681 } 1682 1683 case Source::kWhatFlagsChanged: 1684 { 1685 uint32_t flags; 1686 CHECK(msg->findInt32("flags", (int32_t *)&flags)); 1687 1688 sp<NuPlayerDriver> driver = mDriver.promote(); 1689 if (driver != NULL) { 1690 if ((flags & NuPlayer::Source::FLAG_CAN_SEEK) == 0) { 1691 driver->notifyListener( 1692 MEDIA_INFO, MEDIA_INFO_NOT_SEEKABLE, 0); 1693 } 1694 driver->notifyFlagsChanged(flags); 1695 } 1696 1697 if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 1698 && (!(flags & Source::FLAG_DYNAMIC_DURATION))) { 1699 cancelPollDuration(); 1700 } else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION) 1701 && (flags & Source::FLAG_DYNAMIC_DURATION) 1702 && (mAudioDecoder != NULL || mVideoDecoder != NULL)) { 1703 schedulePollDuration(); 1704 } 1705 1706 mSourceFlags = flags; 1707 break; 1708 } 1709 1710 case Source::kWhatVideoSizeChanged: 1711 { 1712 sp<AMessage> format; 1713 CHECK(msg->findMessage("format", &format)); 1714 1715 updateVideoSize(format); 1716 break; 1717 } 1718 1719 case Source::kWhatBufferingUpdate: 1720 { 1721 int32_t percentage; 1722 CHECK(msg->findInt32("percentage", &percentage)); 1723 1724 notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0); 1725 break; 1726 } 1727 1728 case Source::kWhatPauseOnBufferingStart: 1729 { 1730 // ignore if not playing 1731 if (mStarted && !mPausedByClient) { 1732 ALOGI("buffer low, pausing..."); 1733 1734 onPause(); 1735 } 1736 // fall-thru 1737 } 1738 1739 case Source::kWhatBufferingStart: 1740 { 1741 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0); 1742 break; 1743 } 1744 1745 case Source::kWhatResumeOnBufferingEnd: 1746 { 1747 // ignore if not playing 1748 if (mStarted && !mPausedByClient) { 1749 ALOGI("buffer ready, resuming..."); 1750 1751 onResume(); 1752 } 1753 // fall-thru 1754 } 1755 1756 case Source::kWhatBufferingEnd: 1757 { 1758 notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0); 1759 break; 1760 } 1761 1762 case Source::kWhatCacheStats: 1763 { 1764 int32_t kbps; 1765 CHECK(msg->findInt32("bandwidth", &kbps)); 1766 1767 notifyListener(MEDIA_INFO, MEDIA_INFO_NETWORK_BANDWIDTH, kbps); 1768 break; 1769 } 1770 1771 case Source::kWhatSubtitleData: 1772 { 1773 sp<ABuffer> buffer; 1774 CHECK(msg->findBuffer("buffer", &buffer)); 1775 1776 sendSubtitleData(buffer, 0 /* baseIndex */); 1777 break; 1778 } 1779 1780 case Source::kWhatTimedTextData: 1781 { 1782 int32_t generation; 1783 if (msg->findInt32("generation", &generation) 1784 && generation != mTimedTextGeneration) { 1785 break; 1786 } 1787 1788 sp<ABuffer> buffer; 1789 CHECK(msg->findBuffer("buffer", &buffer)); 1790 1791 sp<NuPlayerDriver> driver = mDriver.promote(); 1792 if (driver == NULL) { 1793 break; 1794 } 1795 1796 int posMs; 1797 int64_t timeUs, posUs; 1798 driver->getCurrentPosition(&posMs); 1799 posUs = posMs * 1000; 1800 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 1801 1802 if (posUs < timeUs) { 1803 if (!msg->findInt32("generation", &generation)) { 1804 msg->setInt32("generation", mTimedTextGeneration); 1805 } 1806 msg->post(timeUs - posUs); 1807 } else { 1808 sendTimedTextData(buffer); 1809 } 1810 break; 1811 } 1812 1813 case Source::kWhatQueueDecoderShutdown: 1814 { 1815 int32_t audio, video; 1816 CHECK(msg->findInt32("audio", &audio)); 1817 CHECK(msg->findInt32("video", &video)); 1818 1819 sp<AMessage> reply; 1820 CHECK(msg->findMessage("reply", &reply)); 1821 1822 queueDecoderShutdown(audio, video, reply); 1823 break; 1824 } 1825 1826 case Source::kWhatDrmNoLicense: 1827 { 1828 notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE); 1829 break; 1830 } 1831 1832 default: 1833 TRESPASS(); 1834 } 1835} 1836 1837void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) { 1838 int32_t what; 1839 CHECK(msg->findInt32("what", &what)); 1840 1841 switch (what) { 1842 case NuPlayer::CCDecoder::kWhatClosedCaptionData: 1843 { 1844 sp<ABuffer> buffer; 1845 CHECK(msg->findBuffer("buffer", &buffer)); 1846 1847 size_t inbandTracks = 0; 1848 if (mSource != NULL) { 1849 inbandTracks = mSource->getTrackCount(); 1850 } 1851 1852 sendSubtitleData(buffer, inbandTracks); 1853 break; 1854 } 1855 1856 case NuPlayer::CCDecoder::kWhatTrackAdded: 1857 { 1858 notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0); 1859 1860 break; 1861 } 1862 1863 default: 1864 TRESPASS(); 1865 } 1866 1867 1868} 1869 1870void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) { 1871 int32_t trackIndex; 1872 int64_t timeUs, durationUs; 1873 CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex)); 1874 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 1875 CHECK(buffer->meta()->findInt64("durationUs", &durationUs)); 1876 1877 Parcel in; 1878 in.writeInt32(trackIndex + baseIndex); 1879 in.writeInt64(timeUs); 1880 in.writeInt64(durationUs); 1881 in.writeInt32(buffer->size()); 1882 in.writeInt32(buffer->size()); 1883 in.write(buffer->data(), buffer->size()); 1884 1885 notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in); 1886} 1887 1888void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) { 1889 const void *data; 1890 size_t size = 0; 1891 int64_t timeUs; 1892 int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS; 1893 1894 AString mime; 1895 CHECK(buffer->meta()->findString("mime", &mime)); 1896 CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0); 1897 1898 data = buffer->data(); 1899 size = buffer->size(); 1900 1901 Parcel parcel; 1902 if (size > 0) { 1903 CHECK(buffer->meta()->findInt64("timeUs", &timeUs)); 1904 flag |= TextDescriptions::IN_BAND_TEXT_3GPP; 1905 TextDescriptions::getParcelOfDescriptions( 1906 (const uint8_t *)data, size, flag, timeUs / 1000, &parcel); 1907 } 1908 1909 if ((parcel.dataSize() > 0)) { 1910 notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel); 1911 } else { // send an empty timed text 1912 notifyListener(MEDIA_TIMED_TEXT, 0, 0); 1913 } 1914} 1915//////////////////////////////////////////////////////////////////////////////// 1916 1917sp<AMessage> NuPlayer::Source::getFormat(bool audio) { 1918 sp<MetaData> meta = getFormatMeta(audio); 1919 1920 if (meta == NULL) { 1921 return NULL; 1922 } 1923 1924 sp<AMessage> msg = new AMessage; 1925 1926 if(convertMetaDataToMessage(meta, &msg) == OK) { 1927 return msg; 1928 } 1929 return NULL; 1930} 1931 1932void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) { 1933 sp<AMessage> notify = dupNotify(); 1934 notify->setInt32("what", kWhatFlagsChanged); 1935 notify->setInt32("flags", flags); 1936 notify->post(); 1937} 1938 1939void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) { 1940 sp<AMessage> notify = dupNotify(); 1941 notify->setInt32("what", kWhatVideoSizeChanged); 1942 notify->setMessage("format", format); 1943 notify->post(); 1944} 1945 1946void NuPlayer::Source::notifyPrepared(status_t err) { 1947 sp<AMessage> notify = dupNotify(); 1948 notify->setInt32("what", kWhatPrepared); 1949 notify->setInt32("err", err); 1950 notify->post(); 1951} 1952 1953void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) { 1954 TRESPASS(); 1955} 1956 1957} // namespace android 1958